Statistical power analysis of event-related potential studies: influencing factors and methods
1.School of Psychology, Guizhou Normal University, Guiyang 550025, China; 2.OPPO Shanghai Research Institute, Shanghai 200032, China; 3.Department of Clinical Psychology, Wuhu Hospital Beijing Anding Hospital Affiliated to Capital Medical University, Wuhu 241000, China; 4. School of Nursing, Anhui Medical University, Hefei 230031, China
Abstract：Statistical power is one of the key indicators for assessing the robustness and replicability of research results. However, the standardization and completeness of calculating and reporting statistical power in event-related potential (ERP) studies still need improvement. This paper reviews and summarizes the factors influencing statistical power, methods for calculation, and application examples in ERP studies. It aims to provide researchers with a reference for calculating and reporting statistical power during the design or pre-registration stages of ERP research plans.
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